CALCASIEU PARISH WW DISTRICT NO 4
Louisiana - Community Water System - PWSID: LA1019053
System Information
| PWSID | LA1019053 |
| System Name | CALCASIEU PARISH WW DISTRICT NO 4 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 6, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Louisiana |
| City | WESTLAKE |
| ZIP Code | 70669 |
| Address | CALCASIEU PARISH WW DIST #4 |
| Organization | WELSH, KENNY |
| Phone | 337-433-8353 |
Population & Service
| Population Served | 5,340 |
| Service Connections | 1,780 |
Drinking Water Violations (39)
This water system has 39 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 6, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Aug 11, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2023 | - | |
| Aug 11, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 6, 2023 | - | |
| Jul 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 6, 2023 | - | |
| Jul 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 6, 2023 | - | |
| Jul 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 6, 2023 | - | |
| Jul 3, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 6, 2023 | - | |
| Jan 12, 2019 | - | MR | No | No | - | TT | - | Resolved | Sep 11, 2019 | - | |
| Jan 12, 2019 | - | MR | No | No | - | TT | - | Resolved | Sep 11, 2019 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Oct 19, 1999 | Oct 20, 2000 | Other | No | Yes | - | - | - | Resolved | Oct 20, 2000 | - | |
| Oct 19, 1999 | Oct 20, 2000 | Other | No | Yes | - | - | - | Resolved | Oct 20, 2000 | - | |
| Oct 19, 1999 | Oct 20, 2000 | Other | No | Yes | - | - | - | Resolved | Oct 20, 2000 | - | |
| Jul 15, 1994 | Aug 14, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 14, 1994 | - | |
| Jul 15, 1994 | Aug 14, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 14, 1994 | - | |
| Jul 15, 1994 | Aug 14, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 14, 1994 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.